EP3657610A1 - Electrical connector with high vibration resistant locks - Google Patents
Electrical connector with high vibration resistant locks Download PDFInfo
- Publication number
- EP3657610A1 EP3657610A1 EP19205603.4A EP19205603A EP3657610A1 EP 3657610 A1 EP3657610 A1 EP 3657610A1 EP 19205603 A EP19205603 A EP 19205603A EP 3657610 A1 EP3657610 A1 EP 3657610A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- assembly
- axis
- lock
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 7
- 238000002955 isolation Methods 0.000 claims description 2
- 239000003989 dielectric material Substances 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/436—Securing a plurality of contact members by one locking piece or operation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6278—Snap or like fastening comprising a pin snapping into a recess
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62933—Comprising exclusively pivoting lever
- H01R13/62944—Pivoting lever comprising gear teeth
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62933—Comprising exclusively pivoting lever
- H01R13/62955—Pivoting lever comprising supplementary/additional locking means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
Definitions
- This disclosure generally relates to an electrical connector, and more particularly relates to an electrical connector with a high vibration resistant locking mechanism.
- Fig. 1A is a perspective exploded view illustrating an electrical connector-assembly 10, hereafter referred to as the assembly 10.
- the assembly 10 is an improvement over other connector assemblies, because the assembly 10 resists high vibrations by limiting a movement between connector housings.
- the first-housing 12 further includes a plurality of opposed first-fin 34 and second-fin 36 pairs that are located on opposite sides of the first-housing 12 from one another.
- the first-fins 34 and the second-fins 36 define first-angles 38 and second-angles 40 (see Fig. 1B ), with the first-angles 38 less than the second-angles 40, the function of which will be described in more detail below.
- the first-angles 38 are in a range between 15-degrees and 30-degrees
- the second-angles 40 are in the range between 30-degrees and 60-degrees.
- the assembly 10 also includes the second-housing 28 configured to retain corresponding electrical-terminals 42 that are configured to mate with the electrical-terminals 18 of the first-housing 12 (see Fig. 4 ).
- the second-housing 28 is preferably formed of the same polymeric dielectric material as the first-housing 12, but may be any polymeric dielectric material.
- the second-housing 28 includes the mate-assist device 26 which is moveable from an unlocked-position 44 to a locked-position 46 (see Fig. 3 ). In the example illustrated in Fig. 1 , the mate-assist device 26 is in the unlocked-position 44.
- the mate-assist device 26 is pivotable about the lateral-axis 24 and includes gear-teeth 48 configured to engage the opposed gear-racks 20 of the first-housing 12.
- the mate-assist device 26 reversibly locks in the locked-position 46 to a locking-lug extending from a wire dress cover (not specifically shown) that forms the top of the second-housing 28.
- the skirt 52 includes a plurality of corresponding flex-locks 56 that engage the plurality of opposed first-fin 34 and second-fin 36 pairs that are located on opposite sides of the first-housing 12.
- a force of between about 10-Newtons and about 15-Newtons is required to remove the second-housing 28 from the first-housing 12 when the second-housing 28 is in the prestage-position 50.
- the force in this range is sufficient to resist an equivalent rotational-force applied by a 1-meter length of wiring-harness. This has the technical benefit of maintaining the second-housing 28 in the prestage-position 50 during an installation of the wiring-harness and inhibiting an unintentional removal, while meeting ergonomic requirements for an intentional removal by an assembler.
- Figs. 5A-5B illustrate the inner-housing-assembly 62 isolated from the assembly 10.
- the inner-housing-assembly 62 includes a base 64 configured to retain connector-ends (not specifically shown) of a plurality of the corresponding electrical-terminals 42 housed within the assembly 10.
- a center-to-center spacing between the adjacent corresponding electrical-terminals 42 is about 2.2 mm, or less, to increase a terminal-density of the assembly 10. This spacing is a unique characteristic of the inner-housing-assembly 62 that is enabled by the structure, and would not otherwise be viably manufactured in a single-molded part.
- the base 64 includes second-walls 66 extending along the mating-axis 16 of the assembly 10 that define a first-slot 68 and a second-slot 70 opposite the first-slot 68.
- the first-slot 68 and the second-slot 70 extend along the longitudinal-axis 32 of the assembly 10, and the first-slot 68 has a length greater than the second-slot 70, the reason for which will be explained in more detail below.
- the electrical-isolation-walls 78 are supported by a plurality of buttresses 80 extending along the mating-axis 16 that are formed integral to the electrical-isolation-walls 78.
- the buttresses 80 are configured to increase a stiffness of the electrical-isolation-walls 78 to resist the overtravel of the locking-arms 74.
- a plurality of pressure-pads 98 on the leading-edge 94 of the ISL 88 create a transition-fit when the ISL 88 is moved to the second-position 92, thereby inhibiting the movement between the base 64, the terminal-lock 72, and the crimp-housing 82. That is, the pressure-pads 98 create a wedge between the components of the inner-housing-assembly 62 and inhibit movement that may be caused by vibrations.
- Figs. 8A-8B are section views of the inner-housing-assembly 62 inverted and viewed from the opposite side relative to Fig. 7 , and include the plurality of corresponding electrical-terminals 42.
- Figs. 8A-8B illustrate the movement of the ISL 88 from the first-position 90 to the second-position 92.
- the trailing-edge 96 of the ISL 88 is disposed within the first-slot 68, however the leading-edge 94 of the ISL 88 is not disposed within the second-slot 70.
- the ISL 88 is moved to the second-position 92 ( Fig. 8B )
- a portion of the leading-edge 94 is disposed within the second-slot 70, thereby interlocking the base 64 with the crimp-housing 82 at both the first-slot 68 and the second-slot 70.
Abstract
Description
- This disclosure generally relates to an electrical connector, and more particularly relates to an electrical connector with a high vibration resistant locking mechanism.
- The present invention will now be described, by way of example with reference to the accompanying drawings, in which:
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Fig. 1A is an exploded perspective view of an illustration of an electrical-connector assembly in accordance with one embodiment; -
Fig. 1B is a close-up view of a portion of the electrical-connector assembly ofFig. 1A in accordance with one embodiment; -
Fig. 2 is an illustration of the electrical-connector assembly ofFig. 1 in a prestage-position in accordance with one embodiment; -
Fig. 3 is an illustration of the electrical-connector assembly ofFig. 1 in a seated-position in accordance with one embodiment; -
Fig. 4 is a section view of the electrical-connector assembly ofFig. 2 in accordance with one embodiment; -
Fig. 5A is an illustration of an inner-housing-assembly isolated from the electrical-connector assembly ofFig. 1 in accordance with one embodiment; -
Fig. 5B is an exploded view of the inner-housing-assembly ofFig. 5A in accordance with one embodiment; -
Fig. 6 is an illustration of a terminal-lock 72 isolated from the inner-housing-assembly ofFig. 5B in accordance with one embodiment; -
Fig. 7 is a section view of a portion of the of the inner-housing-assembly ofFig. 5A in accordance with one embodiment; -
Fig. 8A is another section view of the inner-housing-assembly ofFig. 5A in accordance with one embodiment; -
Fig. 8B is yet another section view of the inner-housing-assembly ofFig. 5A in accordance with one embodiment; and -
Fig. 9A is an illustration of an intermediate-secondary-lock isolated from the inner-housing-assembly ofFig. 5B in accordance with one embodiment. - Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the various described embodiments. However, it will be apparent to one of ordinary skill in the art that the various described embodiments may be practiced without these specific details. In other instances, well-known methods, procedures, components, circuits, and networks have not been described in detail so as not to unnecessarily obscure aspects of the embodiments.
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Fig. 1A is a perspective exploded view illustrating an electrical connector-assembly 10, hereafter referred to as theassembly 10. As will be described in more detail below, theassembly 10 is an improvement over other connector assemblies, because theassembly 10 resists high vibrations by limiting a movement between connector housings. - The
assembly 10 includes a first-housing 12 that has first-walls 14 aligned parallel to a mating-axis 16 of theassembly 10. The first-housing 12 is formed of a polymeric dielectric material. The polymeric dielectric material may be any polymeric dielectric material capable of electrically isolating portions of electrical-terminals 18 (seeFig. 4 ) retained by the first-housing 12, and is preferably a polyamide (NYLON) material. The first-walls 14 include opposed gear-racks 20 extending beyond an outer-surface 22 of the first-walls 14 along a lateral-axis 24 and aligned with the mating-axis 16. The opposed gear-racks 20 are configured to engage a mate-assist device 26 mounted on a second-housing 28, as will be described in more detail below. - The first-
walls 14 include opposed locking-fins 30, hereafter referred to as the locking-fins 30, extending along a longitudinal-axis 32 beyond the outer-surface 22 and are aligned with the mating-axis 16. The locking-fins 30 have first-fins 34 and second-fins 36 aligned with the mating-axis 16, with the first-fin 34 positioned superior to (i.e. above, distal to, etc.) the second-fin 36, as illustrated inFigs. 1A-1B . In one embodiment the first-housing 12 includes a single pair of opposed first-fin 34 and second-fin 36 pairs. In the example illustrated inFig. 1 , the first-housing 12 further includes a plurality of opposed first-fin 34 and second-fin 36 pairs that are located on opposite sides of the first-housing 12 from one another. The first-fins 34 and the second-fins 36 define first-angles 38 and second-angles 40 (seeFig. 1B ), with the first-angles 38 less than the second-angles 40, the function of which will be described in more detail below. Preferably, the first-angles 38 are in a range between 15-degrees and 30-degrees, and the second-angles 40 are in the range between 30-degrees and 60-degrees. - The
assembly 10 also includes the second-housing 28 configured to retain corresponding electrical-terminals 42 that are configured to mate with the electrical-terminals 18 of the first-housing 12 (seeFig. 4 ). The second-housing 28 is preferably formed of the same polymeric dielectric material as the first-housing 12, but may be any polymeric dielectric material. The second-housing 28 includes the mate-assist device 26 which is moveable from an unlocked-position 44 to a locked-position 46 (seeFig. 3 ). In the example illustrated inFig. 1 , the mate-assist device 26 is in the unlocked-position 44. The mate-assist device 26 is pivotable about the lateral-axis 24 and includes gear-teeth 48 configured to engage the opposed gear-racks 20 of the first-housing 12. The mate-assist device 26 reversibly locks in the locked-position 46 to a locking-lug extending from a wire dress cover (not specifically shown) that forms the top of the second-housing 28. -
Fig. 2 illustrates theassembly 10 in a prestage-position 50. The second-housing 28 has askirt 52 aligned with (i.e. parallel to) the mating-axis 16. Theskirt 52 is configured to slideably engage the outer-surface 22 of the first-housing 12 when the second-housing 28 is mated with the first-housing 12. Theskirt 52 defines opposed-apertures 54 aligned with the longitudinal-axis 32 into which are disposed flex-locks 56 that extend along the mating-axis 16. The flex-locks 56 are configured to engage the first-fins 34 on the first-housing 12 and retain the second-housing 28 in the prestage-position 50. That is, the flex-locks 56 slide along the first-angles 38 of the first-fins 34 and engage the greater inclined second-angles 40 of the first-fins 34 when theassembly 10 is placed in the prestage-position 50. The flex-locks 56 are configured to resist a rotational-moment of the second-housing 28 about the lateral-axis 24 that may be caused by a weight of wire-cables (e.g., a wiring-harness - not shown) exiting the wire dress cover. In the examples illustrated inFigs. 1A and2 , theskirt 52 includes a plurality of corresponding flex-locks 56 that engage the plurality of opposed first-fin 34 and second-fin 36 pairs that are located on opposite sides of the first-housing 12. A force of between about 10-Newtons and about 15-Newtons is required to remove the second-housing 28 from the first-housing 12 when the second-housing 28 is in the prestage-position 50. Experimentation by the inventors has discovered that the force in this range is sufficient to resist an equivalent rotational-force applied by a 1-meter length of wiring-harness. This has the technical benefit of maintaining the second-housing 28 in the prestage-position 50 during an installation of the wiring-harness and inhibiting an unintentional removal, while meeting ergonomic requirements for an intentional removal by an assembler. -
Fig. 3 illustrates theassembly 10 in a seated-position 58. When the mate-assist device 26 is moved from the unlocked-position 44 to the locked-position 46, the gear-teeth 48 engage the gear-racks 20 of the first-housing 12 and move the second-housing 28 from the prestage-position 50 to the seated-position 58. The flex-locks 56 move beyond the second-angles 40 of the first-fins 34 and ultimately engage the second-angles 40 of the second-fins 36, thereby inhibiting a movement between the second-housing 28 and the first-housing 12. In the seated-position 58 aparallelism 60 between the first-housing 12 and the second-housing 28 relative to a plane parallel with the longitudinal-axis 32 (denoted by Datum "A" inFig. 3 ) is less than 0.01-mm when the flex-locks 56 engage the second-fins 36. Theparallelism 60 has the technical benefit of maintaining a proper alignment between the electrical-terminals 18 and the corresponding electrical-terminals 42 for electrical circuit continuity, as well as maintaining the proper alignment between the first-housing 12 and the second-housing 28 for optimum sealing of theassembly 10. -
Fig. 4 is a cut-away perspective view of theassembly 10 in the prestage-position 50 illustrating internal components of theassembly 10. The second-housing 28 further includes an inner-housing-assembly 62 that retains the corresponding electrical-terminals 42. -
Figs. 5A-5B illustrate the inner-housing-assembly 62 isolated from theassembly 10. The inner-housing-assembly 62 includes a base 64 configured to retain connector-ends (not specifically shown) of a plurality of the corresponding electrical-terminals 42 housed within theassembly 10. Preferably, a center-to-center spacing between the adjacent corresponding electrical-terminals 42 is about 2.2 mm, or less, to increase a terminal-density of theassembly 10. This spacing is a unique characteristic of the inner-housing-assembly 62 that is enabled by the structure, and would not otherwise be viably manufactured in a single-molded part. Thebase 64 includes second-walls 66 extending along the mating-axis 16 of theassembly 10 that define a first-slot 68 and a second-slot 70 opposite the first-slot 68. The first-slot 68 and the second-slot 70 extend along the longitudinal-axis 32 of theassembly 10, and the first-slot 68 has a length greater than the second-slot 70, the reason for which will be explained in more detail below. - Referring to
Fig. 5B , the inner-housing-assembly 62 also includes a terminal-lock 72 overlaying the base 64 configured to releasably lock the plurality of corresponding electrical-terminals 42 within thebase 64. The terminal-lock 72 includes a plurality of cantilevered locking-arms 74 (hereafter the locking-arms 74) configured to releasably lock the plurality of corresponding electrical-terminals 42 within thebase 64. -
Fig. 6 illustrates the terminal-lock 72 isolated from the inner-housing-assembly 62 and rotated 180-degrees to reveal the locking-arms 74 that are disposed within terminal-cavities 76 defined by thebase 64. The locking-arms 74 are configured to extend along the mating-axis 16 into the terminal-cavities 76, and are adjacent to electrical-isolation-walls 78. The electrical-isolation-walls 78 inhibit an overtravel of the locking-arms 74 and further increase an electrical-isolation between the plurality of corresponding electrical-terminals 42. The electrical-isolation-walls 78 are supported by a plurality ofbuttresses 80 extending along the mating-axis 16 that are formed integral to the electrical-isolation-walls 78. Thebuttresses 80 are configured to increase a stiffness of the electrical-isolation-walls 78 to resist the overtravel of the locking-arms 74. - Referring back to
Fig. 5B , the inner-housing-assembly 62 also includes a crimp-housing 82 configured to retain crimp-ends (not specifically shown) of the plurality of corresponding electrical-terminals 42 within crimp-cavities (not specifically shown) defined by the crimp-housing 82. The crimp-housing 82 overlays the terminal-lock 72 and is retained by a plurality of locking-fingers 84 extending inward from the second-walls 66 of thebase 64. The plurality of locking-fingers 84 inhibit an unintentional disassembly of the inner-housing-assembly 62. -
Fig. 7 is a section view of a portion of the inner-housing-assembly 62 with the plurality of corresponding electrical-terminals 42 removed. The crimp-housing 82 defines apassage 86 extending along both the lateral-axis 24 and the longitudinal-axis 32, and is disposed between the first-slot 68 and the second-slot 70 of thebase 64. An intermediate-secondary-lock 88 (ISL 88) is slideably disposed within thepassage 86. TheISL 88 is moveable from a first-position 90 (seeFig. 8A ) to a second-position 92 (seeFig. 8B ) along the lateral-axis 24, and is configured to inhibit the movement of the plurality of corresponding electrical-terminals 42 along the mating-axis 16 when moved to the second-position 92. It will be appreciated that when theISL 88 is in the first-position 90, an assembler is able to insert the plurality of corresponding electrical-terminals 42 into the terminal-cavities 76. TheISL 88 has a leading-edge 94 and a trailing-edge 96 opposite the leading-edge 94. A plurality of pressure-pads 98 on the leading-edge 94 of theISL 88 create a transition-fit when theISL 88 is moved to the second-position 92, thereby inhibiting the movement between the base 64, the terminal-lock 72, and the crimp-housing 82. That is, the pressure-pads 98 create a wedge between the components of the inner-housing-assembly 62 and inhibit movement that may be caused by vibrations. -
Figs. 8A-8B are section views of the inner-housing-assembly 62 inverted and viewed from the opposite side relative toFig. 7 , and include the plurality of corresponding electrical-terminals 42.Figs. 8A-8B illustrate the movement of theISL 88 from the first-position 90 to the second-position 92. When theISL 88 is in the first-position 90 (Fig. 8A ), the trailing-edge 96 of theISL 88 is disposed within the first-slot 68, however the leading-edge 94 of theISL 88 is not disposed within the second-slot 70. When theISL 88 is moved to the second-position 92 (Fig. 8B ), a portion of the leading-edge 94 is disposed within the second-slot 70, thereby interlocking the base 64 with the crimp-housing 82 at both the first-slot 68 and the second-slot 70. -
Figs. 9A-9B illustrate theISL 88 isolated from the inner-housing-assembly 62 from two perspectives and show the pressure-pads 98. In one embodiment, the pressure-pads 98 are located on the leading-edge 94 of theISL 88. In another embodiment, the pressure-pads 98 are distributed across theISL 88. - While this invention has been described in terms of the preferred embodiments thereof, it is not intended to be so limited, but rather only to the extent set forth in the claims that follow. "One or more" includes a function being performed by one element, a function being performed by more than one element, e.g., in a distributed fashion, several functions being performed by one element, several functions being performed by several elements, or any combination of the above. It will also be understood that, although the terms first, second, etc. are, in some instances, used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first contact could be termed a second contact, and, similarly, a second contact could be termed a first contact, without departing from the scope of the various described embodiments. The first contact and the second contact are both contacts, but they are not the same contact. The terminology used in the description of the various described embodiments herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used in the description of the various described embodiments and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. It will be further understood that the terms "includes," "including," "comprises," and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "if' is, optionally, construed to mean "when" or "upon" or "in response to determining" or "in response to detecting," depending on the context. Similarly, the phrase "if it is determined" or "if [a stated condition or event] is detected" is, optionally, construed to mean "upon determining" or "in response to determining" or "upon detecting [the stated condition or event]" or "in response to detecting [the stated condition or event]," depending on the context. Directional terms such as top, bottom, upper, lower, left, right, front, rear, etc. do not denote any particular orientation, but rather these directional terms are used to distinguish one element from another and establish a relationship between the various elements.
Claims (15)
- An electrical connector-assembly (10), said assembly (10) comprising:a first-housing (12) having first-walls (14) aligned parallel to a mating-axis (16) of the assembly (10);the first-walls (14) including opposed gear-racks (20) extending beyond an outer-surface (22) of the first-walls (14) along a lateral-axis (24) and aligned with the mating-axis (16);
the opposed gear-racks (20) configured to engage a mate-assist device (26);the first-walls (14) including opposed locking-fins (30) extending along a longitudinal-axis (32) beyond the outer-surface (22) and aligned with the mating-axis (16);
the opposed locking-fins (30) having first-fins (34) and second-fins (36) aligned with the mating-axis (16);a second-housing (28) comprising:
the mate-assist device (26) which is moveable from an unlocked-position (44) to a locked-position (46);the mate-assist device (26) pivotable about the lateral-axis (24);the mate-assist device (26) having gear-teeth (48) configured to engage the opposed gear-racks (20) of the first-housing (12);the second-housing (28) having a skirt (52) aligned with the mating-axis (16);the skirt (52) configured to slideably engage the outer-surface (22) of the first-housing (12);the skirt (52) defining opposed-apertures (54) aligned with the longitudinal-axis (32);the skirt (52) including flex-locks (56) disposed within the opposed-apertures (54) extending along the mating-axis (16);
the flex-locks (56) configured to engage the first-fins (34) and retain the second-housing (28) in a prestage-position (50);wherein, the second-housing (28) is moved from the prestage-position (50) to a seated-position (58) when the mate-assist device (26) is moved from the unlocked-position (44) to the locked-position (46), whereby the flex-locks (56) engage the second-fins (36), thereby inhibiting a movement between the second-housing (28) and the first-housing (12). - The assembly (10) in accordance with claim 1, wherein the second-housing (28) further includes an inner-housing-assembly (62), said inner-housing-assembly (62) comprising:a base (64) configured to retain connector-ends of a plurality of corresponding electrical-terminals (18) housed within the assembly (10);
the base (64) including second-walls (66) extending along the mating-axis (16) of the assembly (10), the second-walls (66) defining a first-slot (68) and a second-slot (70) opposite the first-slot (68), the first-slot (68) and the second-slot (70) extending along the longitudinal-axis (32) of the assembly (10);a terminal-lock (72) overlaying the base (64) configured to releasably lock the plurality of corresponding electrical-terminals (18) within the base (64);a crimp-housing (82) configured to retain crimp-ends of the plurality of corresponding electrical-terminals (18) within crimp-cavities defined by the crimp-housing (82), the crimp-housing (82) overlaying the connector-lock;
the crimp-housing (82) defining a passage (86) extending along both the lateral-axis (24) and the longitudinal-axis (32);
the passage (86) disposed between the first-slot (68) and the second-slot (70); andan intermediate-secondary-lock (88) slideably disposed within the passage (86);the intermediate-secondary-lock (88) moveable from a first-position (90) to a second-position (92) along the lateral-axis (24);the intermediate-secondary-lock (88) configured to inhibit the movement of the plurality of corresponding electrical-terminals (18) along the mating-axis (16) when moved to the second-position (92);the intermediate-secondary-lock (88) having a leading-edge (94) and a trailing-edge (96) opposite the leading-edge (94);wherein when the intermediate-secondary-lock (88) is moved to the second-position (92), a portion of the leading-edge (94) is disposed within the second-slot (70), thereby interlocking the base (64) with the crimp-housing (82) at both the first-slot (68) and the second-slot (70). - The assembly (10) in accordance with claim 1 or 3, wherein a force of between about 10-Newtons and about 15-Newtons is required to remove the second-housing (28) from the first-housing (12) when the second-housing (28) is in the prestage-position (50).
- The assembly (10) in accordance with any one of the claims 1 to 3, wherein the first-housing (12) further includes a plurality of opposed first-fin (34) and second-fin (36) pairs and the second-housing (28) further includes a plurality of corresponding flex-locks (56).
- The assembly (10) in accordance with any one of the claims 1 to 5, wherein the first-fins (34) and the second-fins (36) define first-angles (38) and second-angles (40), the first-angles (38) less than the second-angles (40).
- The assembly (10) in accordance with claim 5, wherein the first-angles (38) are in a range between 15-degrees and 30-degrees and the second-angles (40) are in the range between 30-degrees and 60-degrees.
- The assembly (10) in accordance with any one of the claims 1 to 6, wherein a parallelism (60) between the first-housing (12) and the second-housing (28) relative to a plane parallel with the longitudinal-axis (32) is less than 0.01-mm when the flex-locks (56) engage the second-fins (36).
- The assembly (10) in accordance with any one of the claims 1 to 7, wherein the first-housing (12) is configured to retain electrical-terminals (18) and the second-housing (28) configured to retain corresponding electrical-terminals (18) configured to mate with the electrical-terminals (18) of the first-housing (12).
- An inner-housing-assembly (62), comprising:a base (64) configured to retain connector-ends of a plurality of corresponding electrical-terminals (18) housed within a connector-assembly (10);
the base (64) including second-walls (66) extending along a mating-axis (16) of the connector-assembly (10), the second-walls (66) defining a first-slot (68) and a second-slot (70) opposite the first-slot (68), the first-slot (68) and the second-slot (70) extending along a longitudinal-axis (32) of the connector-assembly (10);a terminal-lock (72) overlaying the base (64) configured to releasably lock the plurality of corresponding electrical-terminals (18) within the base (64);a crimp-housing (82) configured to retain crimp-ends of the plurality of corresponding electrical-terminals (18) within crimp-cavities defined by the crimp-housing (82), the crimp-housing (82) overlaying the connector-lock;
the crimp-housing (82) defining a passage (86) extending along both a lateral-axis (24) and the longitudinal-axis (32);
the passage (86) disposed between the first-slot (68) and the second-slot (70); andan intermediate-secondary-lock (88) slideably disposed within the passage (86);the intermediate-secondary-lock (88) moveable from a first-position (90) to a second-position (92) along the lateral-axis (24);the intermediate-secondary-lock (88) configured to inhibit a movement of the plurality of corresponding electrical-terminals (18) along the mating-axis (16) when moved to the second-position (92);the intermediate-secondary-lock (88) having a leading-edge (94) and a trailing-edge (96) opposite the leading-edge (94);wherein when the intermediate-secondary-lock (88) is moved to the second-position (92), a portion of the leading-edge (94) is disposed within the second-slot (70) thereby interlocking the base (64) with the crimp-housing (82) at both the first-slot (68) and the second-slot (70). - The inner-housing-assembly (62) in accordance with claim 9, wherein a plurality of pressure-pads (98) on the leading-edge (94) of the intermediate-secondary-lock (88) create a transition-fit when the intermediate-secondary-lock (88) is moved to the second-position (92), thereby inhibiting the movement between the base (64), the connector-lock, the crimp-housing (82).
- The inner-housing-assembly (62) in accordance with claim 9 or 10, wherein the connector-lock includes a plurality of cantilevered locking-arms (74) configured to releasably lock the plurality of corresponding electrical-terminals (18) within the base (64), the plurality of cantilevered locking-arms (74) disposed within terminal-cavities (76) defined by the base (64) and extending along the mating-axis (16).
- The inner-housing-assembly (62) in accordance with claim 11, wherein the terminal-lock (72) includes electrical-isolation-walls (78) that inhibit an overtravel of the plurality of cantilevered locking-arms (74) and further increase an electrical-isolation between the plurality of corresponding electrical-terminals (18).
- The inner-housing-assembly (62) in accordance with any one of the claims 9 to 12, wherein the base (64) includes a plurality of locking-fingers (84) extending inward from the second-walls (66), the plurality of locking-fingers (84) configured to retain the crimp-housing (82) and inhibit a disassembly of the inner-housing-assembly (62).
- The inner-housing-assembly (62) in accordance with any one of the claims 9 to 13, wherein the trailing-edge (96) of the intermediate-secondary-lock (88) is disposed within the first-slot (68) when the intermediate-secondary-lock (88) is in the first-position (90).
- An connector-assembly (10), said assembly (10) comprising:a first-housing (12) having first-walls (14) including gear-racks (20), first-locking-fins (30), and second-locking-fins (30);a second-housing (28) having a mate-assist-device configured to engage the gear-racks (20);the second-housing (28) including a skirt (52);the skirt (52) including flex-locks (56) configured to engage the first-locking-fins (30) and the second-locking-fins (30); whereinwhen the mate-assist-device is moved from a pre-stage-position to a locked-position (46), the flex-locks (56) are moved from the first-locking-fins (30) to the second-locking-fins (30), thereby inhibiting a movement between the second-housing (28) and the first-housing (12).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/174,359 US10566728B1 (en) | 2018-10-30 | 2018-10-30 | Electrical connector with high vibration resistant locks |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3657610A1 true EP3657610A1 (en) | 2020-05-27 |
EP3657610B1 EP3657610B1 (en) | 2021-05-19 |
Family
ID=68382285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19205603.4A Active EP3657610B1 (en) | 2018-10-30 | 2019-10-28 | Electrical connector assembly |
Country Status (3)
Country | Link |
---|---|
US (1) | US10566728B1 (en) |
EP (1) | EP3657610B1 (en) |
CN (1) | CN111129839B (en) |
Families Citing this family (3)
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DE102017125860A1 (en) * | 2017-11-06 | 2019-05-09 | Harting Electric Gmbh & Co. Kg | Locking clip for a connector housing |
US11283219B2 (en) * | 2018-09-23 | 2022-03-22 | Apple Inc. | Connectors with high retention force |
CN112152013B (en) * | 2019-06-26 | 2022-04-08 | 莫列斯有限公司 | Electrical connector and electrical connector assembly |
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Also Published As
Publication number | Publication date |
---|---|
CN111129839A (en) | 2020-05-08 |
CN111129839B (en) | 2021-09-14 |
US10566728B1 (en) | 2020-02-18 |
EP3657610B1 (en) | 2021-05-19 |
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